Bayan Temple is one of the important representatives of the miracle of Angkor Wat. It is located in the center of Angkor Tongwang City. The corridor is 160 meters long and 140 meters long. The corridor was originally built with wooden roofs, but due to the age, only the remnants of the broken walls and the huge stone pillars are left for future generations to hang. The walls of Bayan Temple are still preserved with exquisite and vivid reliefs, war scenes, daily life, and scenery of the lakeside of Donglisa Lake. It is definitely a precious historical monument. From the outside, the Bayan Temple is a pyramid-shaped building, the highest is a round pagoda painted with gold, built on two hollow platforms. According to religious consciousness, this means that the Buddha in heaven and the people on the earth are in touch. Around 48 pagodas of different sizes, stars holding the moon, surrounded by the central pagoda. The four-faced Buddha on each pagoda has a thick nose and thick lips, soft eyes, and a smile on his face, known as the "Khmer smile."